The ratio of white marbles to black marbles in a jar is 4:9. Check all statements that must be true based on the statement above.
If none of the statements is true, check "None of the above".

For every 4 white marbles in the jar, there are 9 black marbles.

For every 9 white marbles in the jar, there are 4 black marbles.

There are 9 white marbles to every 4 black marbles in the jar.

For every 4 black marbles in the jar, there are 9 white marbles.

None of the above